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dc.contributor.author김찬형-
dc.date.accessioned2019-12-08T18:13:16Z-
dc.date.available2019-12-08T18:13:16Z-
dc.date.issued2018-08-
dc.identifier.citationJOURNAL OF THE KOREAN PHYSICAL SOCIETY, v. 73, no. 7, page. 990-1000en_US
dc.identifier.issn0374-4884-
dc.identifier.issn1976-8524-
dc.identifier.urihttps://link.springer.com/article/10.3938%2Fjkps.73.990-
dc.identifier.urihttp://repository.hanyang.ac.kr/handle/20.500.11754/119586-
dc.description.abstractVolumetric modulated arc therapy (VMAT) with highly complex advanced delivering technique, is widely practiced in radiation therapy and requires a quality assurance for treatment plan at least once a treatment session. In this study we collected six VMAT patients with different treatment sites. The VMAT plans and their quality assurance (QA) plans were performed on a daily basis before treatment for their full period of treatment. We tried to evaluate the accuracy of their delivering through analyses of first mechanical error of multileaf collimator (MLC) movement and second dosimetric error of beam delivery. We used a MATLAB program and portal dosimetry to estimate a maximum root mean square (RMS) error from dynalog files for mechanical analysis and a gamma index from portal dosimetry for dosimetric analysis, respectively. We introduced newly in this study a representative VMAT QA to be used to perform a routine VMAT QA. The daily variation of maximum error RMSs for all treatment sites were all below maximum 0.3503 +/- 0.0002 mm for treatment plans and QA plans and they all showed the gamma pass rate of more than 98%. Mean of inter difference between treatment and QA plans stayed below 0.04 mm, showing that QA deliveries agree well with treatment deliveries. The Linac used kept a good performance within the tolerances in American Association of Physicists in Medicine (AAPM) TG142 guideline for the period of research. We suggest that the representative VMAT QA can be a good surrogate for real VMAT plan and whole time plan QA for a patient selected randomly at least once a year be performed to confirm the long-term stability of Linac performance.en_US
dc.description.sponsorshipThis work was supported by the Nuclear Safety Research Program through the Korea Foundation Of Nuclear Safety (KoFONS) using the financial resource granted by the Nuclear Safety and Security Commission (NSSC) of the Republic of Korea. (No. 1705006)en_US
dc.language.isoen_USen_US
dc.publisherKOREAN PHYSICAL SOCen_US
dc.subjectRapidArcen_US
dc.subjectMLCen_US
dc.subjectQuality assuranceen_US
dc.subjectPortal dosimetryen_US
dc.subjectDynalog filesen_US
dc.titleDaily Based Quality Assurance of Volumetric Modulated Arc Therapy for the Full Session of Treatmenten_US
dc.typeArticleen_US
dc.relation.no7-
dc.relation.volume73-
dc.identifier.doi10.3938/jkps.73.990-
dc.relation.page990-1000-
dc.relation.journalJOURNAL OF THE KOREAN PHYSICAL SOCIETY-
dc.contributor.googleauthorRahman, Mohammad Mahfujur-
dc.contributor.googleauthorKim, Chan Hyeong-
dc.contributor.googleauthorKim, Seonghoon-
dc.relation.code2018000435-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDEPARTMENT OF NUCLEAR ENGINEERING-
dc.identifier.pidchkim-
dc.identifier.researcherIDK-6214-2017-
dc.identifier.orcidhttp://orcid.org/0000-0002-0667-0481-
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > NUCLEAR ENGINEERING(원자력공학과) > Articles
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